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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@kri100s
Hello,
For skin impedance measurement low frequency signal is used around 200Hz so there is no tissue damage. I would say you need to hack in two electrodes to get a valid data. One touching wrist and the other on top to close the circuit with your other hand finger.
skin impedance measurement
and
skin impedance for wearable
and
bio measurements watch